CVE-2019-1656: Cisco Enterprise NFV Infrastructure Software Linux Shell Access Vulnerability
First published: Thu Jan 24 2019(Updated: )
A vulnerability in the CLI of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, local attacker to access the shell of the underlying Linux operating system on the affected device. The vulnerability is due to improper input validation in the affected software. An attacker could exploit this vulnerability by sending crafted commands to the affected device. An exploit could allow the attacker to gain shell access with a nonroot user account to the underlying Linux operating system on the affected device and potentially access system configuration files with sensitive information. This vulnerability only affects console connections from CIMC. It does not apply to remote connections, such as telnet or SSH.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Enterprise NFV Infrastructure Software | =3.9.1 |
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Reference Links
Frequently Asked Questions
What is CVE-2019-1656?
CVE-2019-1656 is a vulnerability in the CLI of Cisco Enterprise NFV Infrastructure Software (NFVIS) that could allow an authenticated, local attacker to access the shell of the underlying Linux operating system on the affected device.
How does CVE-2019-1656 occur?
CVE-2019-1656 occurs due to improper input validation in the affected software.
What is the severity of CVE-2019-1656?
The severity of CVE-2019-1656 is medium, with a CVSS score of 5.3.
How can an attacker exploit CVE-2019-1656?
An attacker with local access can exploit CVE-2019-1656 by using improper input to gain unauthorized access to the shell of the underlying Linux operating system.
How can I mitigate CVE-2019-1656?
To mitigate CVE-2019-1656, Cisco recommends upgrading to a fixed software release.
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